Respuesta :

Answer:

  7.83

Step-by-step explanation:

You know the sine of an angle in a right triangle is the ratio of the opposite side to the hypotenuse:

  Sin = Opposite/Hypotenuse

  sin(50°) = BC/BA = 6/?

  ? = 6/sin(60°) ≈ 7.83 . . . . units

AB ≈ 7.83 units